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Finding the Fourth Proportional to 33,755.79, 50,574.91 and 21,921.39

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Solution

The fourth proportional to 33,755.79, 50,574.91 and 21,921.39 is: 32,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,755.79 : 50,574.91 = 21,921.39 : x
  2. Step 2: Convert to fraction form
    33,755.79/50,574.91 = 21,921.39/x
  3. Step 3: Cross multiply
    33,755.79x = 50,574.91 × 21,921.39
  4. Step 4: Simplify right side
    33,755.79x = 1,108,672,326.32
  5. Step 5: Solve for x
    x = 1,108,672,326.32/33,755.79
  6. Step 6: Final answer
    x = 32,843.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.